BE (A) WITNESS TO STH


Meaning of BE (A) WITNESS TO STH in English

1.

( formal ) to see sth take place :

He has been witness to a terrible murder.

2.

to show that sth is true; to provide evidence for sth :

His good health is a witness to the success of the treatment.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.